12200322220021 has 16 divisors (see below), whose sum is σ = 13563293280768. Its totient is φ = 10898026776000.

The previous prime is 12200322220001. The next prime is 12200322220027. The reversal of 12200322220021 is 12002222300221.

It is not a de Polignac number, because 12200322220021 - 2³⁵ = 12165962481653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200322220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786350 + ... + 9221056.

It is an arithmetic number, because the mean of its divisors is an integer number (847705830048).

Almost surely, 2^{12200322220021} is an apocalyptic number.

It is an amenable number.

12200322220021 is a deficient number, since it is larger than the sum of its proper divisors (1362971060747).

12200322220021 is a wasteful number, since it uses less digits than its factorization.

12200322220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455852.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12200322220021 its reverse (12002222300221), we get a palindrome (24202544520242).

The spelling of 12200322220021 in words is "twelve trillion, two hundred billion, three hundred twenty-two million, two hundred twenty thousand, twenty-one".